From the National Weather Service:
Hold onto your hats!
WIND ADVISORIES posted for tonight through Saturday. W winds sustained 20-30 mph, gusts up to 50 mph; height of winds @ Saturday morning; plan for scattered tree, tree limb, and/or power line damage; potential for power outages.
[MARINERS] GALE WARNINGS posted for all waters beginning this afternoon going through Saturday evening; W wind gusts up to 50 kts w/ seas approaching 12 feet. Additional threat of minor freezing spray developing shortly after midnight Saturday continuing as late as Sunday morning
Gusty W winds tonight through Saturday also ushering colder air across the region. As lows drop down into the single digits to teens, wind chills (posted below) will fall below zero for the Berkshires & Worcester Hills, single digits elsewhere.
(See image gallery below for briefing graphics)